Exercise

Updating an existing column (I)

Being able to efficiently update existing columns is particularly useful when cleaning data. In this exercise, you will work with a new data.table, untidy, which is almost identical to batrips, except we introduced a typo in the second row of the start_station column.

Instructions 1/2

XP

1
2

Print the first two rows of untidy to see if you can spot the typo.

Take Hint (-15 XP)